" The Conditional Central Limit Question For Sums of a Stationary Process With Applications to Time Series"

Michael Woodroofe, Ph.D., University of Michigan


The talk has two parts, a description of non-parametric techniques for estimating mean global temperature anomalies non-parametrically and a review of recent progress on the conditional central limit question for sums of a stationary process. In the first part, isotonic estimators are suggested as non-parametric estimators. The distribution of estimation error is then needed for setting pointwise confidence bands, and this may be studied asymptotically. Recent and current work on this problem is described. A basic question that is arises in obtaining these asymptotic distributions is: When are normalized sums of a stationary process asymptotically normal? There has been recent progress on this question, as a result of which there are now simple suffcient and nearly necessary conditions for the convergence of the conditional distributions given the past to normality. This work is reviewed, set in some historical perspective, and current extensions are described.

Mon., October 15, 2007
4:00 p.m.
223 Weber



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